In coordination with the website Explore the Score, the soloist Pierre-Laurent Aimard, who worked with Ligeti for 20 years, has created an interactive view into the technical, stylistic and historical considerations that shaped his Études.

December 19, 2012, Wednesday

They speak of his friends, the troubled composition of his Cello Sonata, his favorite hot chocolate. Six letters by Frédéric Chopin went on display this week at the Chopin Museum in Warsaw after having been hidden from view since World War II. The...